i am contemplating an extension to the rear of my property. Unfortunatley the balanced flue from my 27 year old gas boiler is in the way. The obvious answer is to move the boiler and by far the easiest solution would be to install a combi boiler in the airing cupboard upstairs.
The house is a modern four bedroom house with two bathrooms and currently 11 rads.
I have been a little dubious about combi boilers in the past regarding their capacity to deliver a sufficiently fast rate of flow for the hot water but my installer assures me that a modern boiler will be fine. He suggest a 35 or 40KW model Although we have two showers I can't remember that these have ever been used simultaneously so I think that the flow rate shouldn't be a problem.
Only other problem I can think of is lack of back up in form of immersion heater for hot water but I can live with that.
Gas pipe will have to be rerouted externally as will need 22m or bigger and currently 15mm but even a straight replacement would necessitate this change
Any thoughts
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Combi Boiler new
Combi Boiler new